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Grey-headed Fish-eagle vs White-bellied Sea-eagle

on 19th June 2015

“Watched an altercation between a nesting Grey-headed Fish-eagle (Icthyophaga ichthyaetus) and a ‘trespassing’ White-bellied Sea-eagle (Haliaeetus leucogaster).

“The conflict lasted 8 minutes with both birds ‘dive booming’ each other (predominantly the Grey-headed Fish-eagle) and mid-air physical interactions. The series of images attempt to show the ‘action’ with a composite below.

“The Grey-headed Fish-eagle would stretch out the feet/claws to impact the body of the White-bellied Sea-eagle. Much of the time it was fast chases alongside the limestone hills.

“On three occasions when the Grey-headed Fish-eagle stopped at a perch, the White-bellied Sea-eagle intentionally swooped down to interact with it.

“As I mentioned, this male Grey-headed Fish-eagle was nesting; the partner did not call out or come to assist. Possibly staying at the nest to protect the young. The White-bellied Sea-eagle appears to be a 3rd year bird (see Ferguson-Lees & Christie. Raptors of the World, 2001).

“The above image shows an adult Grey-headed Fish-eagle with fish prey for the young.”

Dato’ Dr Amar-Singh HSS
Ipoh, Perak, Malaysia
21st March 2015

Location: Tambun Interior, Ipoh, Perak, Malaysia
Habitat: Secondary growth near limestone hills and ex-mining pools

If you like this post please tap on the Like button at the left bottom of page. Any views and opinions expressed in this article are solely those of the authors/contributors, and are not endorsed by the Lee Kong Chian Natural History Museum (LKCNHM, NUS) or its affiliated institutions. Readers are encouraged to use their discretion before making any decisions or judgements based on the information presented.

YC Wee

Dr Wee played a significant role as a green advocate in Singapore through his extensive involvement in various organizations and committees: as Secretary and Chairman for the Malayan Nature Society (Singapore Branch), and with the Nature Society (Singapore) as founding President (1978-1995). He has also served in the Nature Reserve Board (1987-1989), Nature Reserves Committee (1990-1996), National Council on the Environment/Singapore Environment Council (1992-1996), Work-Group on Nature Conservation (1992) and Inter-Varsity Council on the Environment (1995-1997). He is Patron of the Singapore Gardening Society and was appointed Honorary Museum Associate of the Lee Kong Chian Natural History Museum (LKCNHM) in 2012. In 2005, Dr Wee started the Bird Ecology Study Group. With more than 6,000 entries, the website has become a valuable resource consulted by students, birdwatchers and researchers locally and internationally. The views and opinions expressed in this article are his own, and do not represent those of LKCNHM, the National University of Singapore or its affiliated institutions.

Other posts by YC Wee

One Response

  1. Fantastic footages. Able to easily compare physical differences of both eagles from footages. Great stuff Dr Amar.

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